user
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Generate the CSS code to change the font of the following HTML element

### Input:
<h1>This is a headline</h1>

### Response:
assistant
h1 {
   font-family: 'Open Sans', sans-serif;
   font-size: 16px;
   font-weight: 700;
   color: #333333;
}